January 2021
Intermediate to advanced
505 pages
9h 45m
Chinese
Content preview from PHP编程：第4版
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412
｜
附录
A
函数参考
返回
path
指定的文件的最后修改时间，以
UNIX
时间戳形式返回。该信息会被缓存，可
以使用
clearstatcache()
来清理缓存。
返回
path
指定的文件的所属用户
ID
，有错误则返回
false
。该信息会被缓存，可以使用
clearstatcache()
来清理缓存。
返回
path
指定的文件的权限，有错误则返回
false
。该信息会被缓存，可以使用
clearstatcache()
来清理缓存。
打开
path
指定的文件，将
string
写入文件后关闭文件。返回写入文件的字节数，有错误
则返回
-
1
。
flags
参数是二进制的字段，有下列可能的值 ：
FILE_USE_INCLUDE_PATH
如果指定了此标记，则在包含路径（可以是多个路径，参见
get_include_path
）中搜索指定的文件，如果在某个路径
中已存在此文件，就在首次找到此文件的位置写入
FILE_APPEND
将字符串添加到存在的文件末尾
LOCK_EX
写入前使用排他锁
返回
path
指定的文件的字节数。如果文件不存在或者发生错误，返回
false
。该信息会
被缓存，可以使用
clearstatcache()
来清理缓存。
返回
path
指定的文件的类型。可能的类型有 ：
Fifo
此文件是先进先出管道
Char
此文件是文本文件
Dir
path
是目录
Block
文件系统保留使用的块
Link
此文件是一个符号链接
File
包含二进制数据的文件
附录
A
函数参考
｜
413
Socket
套接字接口
Unknown
无法确定
如果命名为
name
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.